Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 36° 42° 90° 45° 36° 42° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called settling time. stopping time. coasting time. damping time. settling time. stopping time. coasting time. damping time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix? 1000 10 9000 90 1000 10 9000 90 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission line is Independent of its length. Inversely proportional to square root of its length. Directly proportional to square root of its length. Directly proportional to its length. Independent of its length. Inversely proportional to square root of its length. Directly proportional to square root of its length. Directly proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draw back of NR method as compare to Gauss-Seidel method is/are? large requirement of computer memory both 1 and 2 None of these large number of iterations large requirement of computer memory both 1 and 2 None of these large number of iterations ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 34.64 kV/phase 82.15 kV/phase 17.32 kV/phase 41.075 kV/phase 34.64 kV/phase 82.15 kV/phase 17.32 kV/phase 41.075 kV/phase ANSWER DOWNLOAD EXAMIANS APP